Which equation can pair with 3x + 4y = 8 to create a consistent and independent system?

Answers

Answer 1

Answer: There isn't any choices given in this problem but I can give you a tip to answer these kinds of problem. When you say independent, it means that the equation cannot be algebraically altered to result to 3x + 4y = 8. So the equation 6x + 8y = 16 is not an independent equation since when you divide each side by 2 it will result to 3x + 4y =8. You get the idea.

Answer 2

Answer:

Answer:

6x - 3y = 2

Step-by-step explanation:

took test on edg 2021

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Express the ratio below in its simplest form 4 : 2 : 2

Answers

simplest form 4 : 2 : 2 is 2:1:1

Please helppDetermine whether the sequence of mapping rules will lead to the image being congruent to the pre-image (x, y) -> (x - 2, y)

No or yes if yes then is it a translation or reflection, if no then will it be small or with the size of the pre image be changed?

Answers

Answer:

translation, pre-image wouldn't change

Step-by-step explanation:

Describe the conditions necessary for the variance to have the value zero.

Answers

The variance must be subtracted with the same value, or added with its opposite integer.

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1. What is the quotient in the expression c = $(45)/(d)$ ?
A) $(45)/(d)$
B) d
C) 45
D) c

2. The grocery store has 8 snack bags. There are 3 bagels and 4 muffins in each bag. How would you calculate the total number of muffins?
A) Multiply 8 by the sum of 3 and 4
B) Multiply 8 by 3
C) Multiply 8 by 4
D) Add, 3, 4, 8

3. The box holding the instruments for science class is square. The box measures 15 inches by 15 inches and is 2 inches deep. This means that the volume of the box is “15 times 15 times 2” cubic inches. Which of the following formulas is an equivalent expression for “15 times 15 times 2”?
A) (15 x 2)^2
B) 15^2 x 2
C) 2^2 x 15
D) (15 x 15)^2 x 2

Answers

1. D) c (because the quotient is the number obtained by dividing one number by another.)

2. C) Multiply 8 by 4 (There are 8 snack bags with 4 muffins in each.

Multiply 8 x 4) to find the total number of muffins.

3. B) 15^2 x 2 (he expression “15 times 15 times 2” can be written as: 15 x 15 x 2 or 15^2 x 2)

1. What is the quotient in the expression c = \frac{45}{d}?

Quotient is the result of dividing 2 numbers.

Answer: D). c

2. The grocery store has 8 snack bags. There are 3 bagels and 4 muffins in each bag. How would you calculate the total number of muffins?

C) Multiply 8 by 4

3. The box holding the instruments for science class is square. The box measures 15 inches by 15 inches and is 2 inches deep. This means that the volume of the box is “15 times 15 times 2” cubic inches. Which of the following formulas is an equivalent expression for “15 times 15 times 2”?

B) 15^2 x 2

A leading medical journal claims that 71% of roller-coaster riders experience extreme anxiety just before the ride begins. A popular theme park wants to conduct a survey to verify this with the patrons in the park and wants to do so with a margin of error (ME) of ±8%. What minimum sample size, rounded to the nearest whole person, does the theme park need to use?N ≥ 75
N ≥ 150
N ≥ 118
N ≥ 129

Answers

A leading medical journal claims that 71% of roller-coaster riders experience extreme anxiety just before the ride begins. A popular theme park wants to conduct a survey with a margin of error of ±8%. The minimum sample size, rounded to the nearest whole person is:

Answer: N ≥ 129

I hope it helps, Regards.

Renata wins a $20 gift card to an online music site. After Renata purchases 16 songs, the gift card has a remaining balance of $0. Which equation represents the relationship between y, the remaining balance on Renata’s gift card, and x, the number of songs purchased?

Answers

$20 bought 16 songs
Therefore each song costs $20/16 = $5/4 = $1.25
So:
2 songs would cost 2 * $1.25
3 songs would cost 3 * $1.25
...
x songs would cost x * $1.25

Since Renata started with $20, then her balance (y) after buying x songs would be:

y = 20 - 1.25*x

The equation that represents the relationship between the remaining balance and the number of songs purchased is y = $20 - $1.25x.

What is the equation?

The first step is to determine the cost of one song.

Cost of one song = $20 / 16 = $1.25

Remaining balance = value of the gift card - (number of songs purchased x cost of one song)

y = $20 - $1.25x

To learn more about mathematical equations, please check: brainly.com/question/26427570

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